diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f0934c7..9aa4f79 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -23,6 +23,23 @@
             </intent-filter>
         </activity>
         <activity
+            android:name=".views.SignUpActivity"
+            android:exported="false"
+            />
+        <activity
+            android:name=".views.LoginActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".views.MyBookshelfActivity"
+            android:exported="true" >
+        </activity>
+        <activity
             android:name=".HelloActivity"
             android:exported="false" />
     </application>